Publisher: do not use {{{publisher}}} with both {{{publisherUK}}}/{{{publisherUS}}}.Released date: similarly, do not use {{{date}}} with both {{{dateUK}}}/{{{dateUS}}}.ISBN: only use {{{isbn}}} when you just want to enter a 10/13-digit ISBN. Any other non-numerical text - such as "N/A" or "Unknown" - should be put in {{{noisbn}}}.